Home / 20,216.21-27,897.63-11,263.25

Finding the Fourth Proportional to 20,216.21, 27,897.63 and 11,263.25

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Solution

The fourth proportional to 20,216.21, 27,897.63 and 11,263.25 is: 15,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.21 : 27,897.63 = 11,263.25 : x
  2. Step 2: Convert to fraction form
    20,216.21/27,897.63 = 11,263.25/x
  3. Step 3: Cross multiply
    20,216.21x = 27,897.63 × 11,263.25
  4. Step 4: Simplify right side
    20,216.21x = 314,217,841.61
  5. Step 5: Solve for x
    x = 314,217,841.61/20,216.21
  6. Step 6: Final answer
    x = 15,542.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.